<?php

/*
 * This file is part of SwiftMailer. (c) 2004-2009 Chris Corbyn For the full copyright and license information, please view the LICENSE file that was distributed with this source code.
 */

/**
 * Writes data to a KeyCache using a stream.
 * 
 * @package Swift
 * @subpackage KeyCache
 * @author Chris Corbyn
 */
interface Swift_KeyCache_KeyCacheInputStream extends Swift_InputByteStream {
	/**
	 * Set the KeyCache to wrap.
	 * 
	 * @param Swift_KeyCache $keyCache        	
	 */
	public function setKeyCache(Swift_KeyCache $keyCache);
	
	/**
	 * Set the nsKey which will be written to.
	 * 
	 * @param string $nsKey        	
	 */
	public function setNsKey($nsKey);
	
	/**
	 * Set the itemKey which will be written to.
	 * 
	 * @param string $itemKey        	
	 */
	public function setItemKey($itemKey);
	
	/**
	 * Specify a stream to write through for each write().
	 * 
	 * @param Swift_InputByteStream $is        	
	 */
	public function setWriteThroughStream(Swift_InputByteStream $is);
	
	/**
	 * Any implementation should be cloneable, allowing the clone to access a
	 * separate $nsKey and $itemKey.
	 */
	public function __clone();
}
